Find the area of the triangles. Round to the nearest tenth. As in the text,  $\displaystyle {\left(\alpha,{a}\right)},{\left(\beta,{b}\right)}$ and   $\displaystyle {\left(\gamma,{c}\right)}$ are angle-side opposite pairs.

(a) $\displaystyle \alpha={12}$ ^o, $\displaystyle \beta={19}$ ^o, $\displaystyle {a}={4}$ units.

The area is Preview Question 6 Part 1 of 3    .

(b) $\displaystyle \gamma={57}$ ^o, $\displaystyle \alpha={50}$ ^o, $\displaystyle {c}={28.21}$ units.

The area is Preview Question 6 Part 2 of 3   .

(c)  $\displaystyle \alpha={49}$ ^o, $\displaystyle {a}={14}$ units, $\displaystyle {b}={12.1}$ units.

The area is Preview Question 6 Part 3 of 3